Growrebel....
I'm sorry! The room the cab is in is actually too small to get a decent pic!
I'll try drawing it up and posting that.
My eventual plan is to ScrOG the Willie Nelson I just started. The 5 shown are just bagseed with a catnip plant tossed in. (Gotta bribe my furry assistants)

Zandor.....
I've switched the cycle to 3 hours CO2 on/1 hour air exchange and ran a vent duct to the lamp direct from the recirc fan. I'll monitor the temps for a few days and adjust the times from that. The FAQ is a great place for info! Thanks again!
Boris99 Reviewed by Boris99 on . Homemade growbox Hello Mr. Obvious.....Long time reader.....First time poster... This is my first grow in a LONG time. My grow box is a homemade from plywood with dims of 8ft X 4ft X 4ft. Ventilation consists of 4 24VDC electronic fans, 1 stand alone fan and a small exhaust fan with a built in carbon filter. Cabinet is subdivided into a Veg chamber and a Flower chamber. Lights - Veg...150W CFL Flower....400 W HPS Nutes - MG in very sparse quantities plus good ole Superthrive! All plants have been Rating: 5